package cn.tedu.sp12.controller;

import cn.tedu.sp11.entity.Item;
import cn.tedu.sp11.service.ItemService;
import cn.tedu.web.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;

@RestController
@Slf4j
public class ItemController {
    @Autowired
    private ItemService itemService;
    //根据订单ID,获取订单商品列表
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        List<Item> list = itemService.getItems(orderId);

        // 延迟代码,90%概率执行延迟
        if (Math.random() < 0.9){
            // 阻塞代码 ,随机 [0,5000)
            int i = new Random().nextInt(5000);
            log.info("阻塞时间: "+i);
            Thread.sleep(i);
        }
        return JsonResult.ok().data(list);
    }
    //减少商品库存
    @PostMapping("/decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        itemService.decreaseNumber(items);
        return JsonResult.ok().msg("减少库存成功");

    }
    @GetMapping("/favicon.ico")
    public void ico(){

    }
}
